采用滑压运行除氧器应注意解决在汽轮机负荷突然增加时引起的（）问题；在汽机负荷突然减少时引起的（）问题。
参考答案：给水中含氧量增加、给水泵入口汽化
以下各种疾病中可引起肾源性多尿的是
A．糖尿病B．中枢性尿崩症C．急进性肾炎D．肾动脉栓塞E．慢性间质性肾炎
小题1:Amy used to be quiet，but now she is very o________．
小题2:My biggest p_______ is that I am too shy．
小题3:If you want to be healthy，it’s n_______ for you to eat some vegetables and fruit．
小题4:You must pay a_______ to your mistakes．
小题5:He wanted to be a doctor，but he became a teacher i_______．
